UrsprungInherited from Old Swedish fitma, fetma, oblique singular of fitme, fetme, from Old East Norse *fæitmi; equivalent to fet (“fat”) + -ma. Compare sötma.
Formerfetma(indefinite, nominative, singular) · fetmas(genitive, indefinite, singular) · fetman(definite, nominative, singular) · fetmans(definite, genitive, singular) · -(indefinite, nominative, plural) · -(genitive, indefinite, plural) · -(definite, nominative, plural) · -(definite, genitive, plural)